Known also as the “long – term energy system”, aerobic system is thedominant energy system in exercise lasting more than 2 – 3 minutes. When a physical activity lasts longer than 2 – 3 minutes, the aerobic system plays an important role in providing ATP in order to continue exercise.

To produce ATP through the aerobic system, the body uses oxygen. This system consists of two different interrelated systems: oxidative system and beta – oxidation.

Click on them belowfor detailed information about these energy systems: